19102928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91841}}^1$

素因数の和:91862

約数の個数: 20

約数和(自身を含む): 39859428

約数和(自身を除く): 20756500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91841, 183682, 367364, 734728, 1193933, 1469456, 2387866, 4775732, 9551464, 19102928]

約数ペア:

[(1, 19102928), (2, 9551464), (4, 4775732), (8, 2387866), (13, 1469456), (16, 1193933), (26, 734728), (52, 367364), (104, 183682), (208, 91841)]